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- Iowa Institute of Hydraulic Research
IAHR
- The International Association of Hydraulic Engineering and Research
CHL
- Coastal and Hydraulics Laboratory - Waterways Experiment Station
DHI
- Danish Hydraulic Institute
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LINKS OF INTEREST
Our Community & Flooding (
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USGS publications
ASCE
- American Society of Civil Engineers
Chicagoland Expressway Congestion Map
St. Louis Traffic Map
Dams and Obstructions in the Chicago Area (Non-OWR site)
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View, edit, and share your DWG™ files with anyone, anywhere. AutoCAD WS mobile app enables you to work with AutoCAD drawings directly on your iPad, iPhone, or iPod touch.
ArcGIS By ESRI.
ArcGIS is a great way to discover and use maps. Maps come to life in ArcGIS. Tap on the map or use your current location and discover information about what you see. You can query the map, search and find interesting information, measure distances and areas of interest and share maps with others.
State and Federal Agencies
State of Illinois Home Page
IDNR
- Illinois Department of Natural Resources
FEMA
- Federal Emergency Management Agency
IEMA
- Illinois Emergency Management Agency
SWS
- State Water Survey - Illinois Water and Climate Summary
USCoE
- The United States Army Corps of Engineers
CoE
- Chicago Corps of Engineers Office
CoE
- St. Louis Corps of Engineers Office
CoE
- Rock Island Corps of Engineers Office
CoE
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CoE
- Memphis Corps of Engineers Office
USDA-NRCS
- US Dept. of Agriculture - Natural Resources Conservation Service
ISGS
- Illinois Natural Resources Geospatial Data Clearinghouse
USDoT
- Federal Highway Administration Page
USGS
- US Geological Survey
NTIS
- National Technical Information Service
MWRD
- Metropolitan Water Reclamation District of Greater Chicago
Water Resource Organizations
ASFM
- Association of State Floodplain Managers
ILMA
- Illinois lake Management Association
Kane Co., IL: Stormwater Management Planning Committee
Lake County Soil & Water Conservation District
McHenry County SWCD
NACD
- The National Association of Conservation Districts
CMAP
- Chicago Metropolitan Agency for Planning
North Cook County SWCD
Openlands Project
Southwestern Illinois Flood Prevention District Council
NIWCA
- Upper Des Plaines River Ecosystem Partnership
NOAA
, National Oceanic & Atmospheric Administration
HPC
, Hydro Meteorology Prediction Center
NCDC
- National Climatic Data Center
National Weather Service - Illinois
NWS
- Illinois Flood Statements & Warnings
NWS
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NWS
- Illinois Special Statement Data
NWS - Illinois Flood Statements Data
National Weather Service - Indiana
NWS
- Indiana Flood Statements & Warnings
NWS
- Indiana Climatic Data
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- Indiana Hydrological Data
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NWS
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NWS - Indiana Flood Statements Data
National Weather Service - Iowa
NWS
- Iowa Flood Statements & Warnings
NWS
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NWS
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NWS
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NWS
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National Weather Service - Kentucky
NWS
- Kentucky Flood Statements & Warnings
NWS
- Kentucky Climatic Data
NWS
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NWS
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- Kentucky Zone Data
NWS
- Kentucky Special Statement Data
NWS - Kentucky Flood Statements Data
National Weather Service - Missouri
NWS
- Missouri Flood Statements & Warnings
NWS
- Missouri Climatic Data
NWS
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NWS
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NWS
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NWS
- Missouri Special Statement Data
NWS - Missouri Flood Statements Data
National Weather Service - Wisconsin
NWS
- Wisconsin Climatic Data
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NWS - Wisconsin Flood Statements Data
PRECIPITATION
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Intellicast
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Intellicast
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Intellicast - Chicago Precipitation Estimate
Intellicast
- Springfield Radar Image
University of Illinois
Midwestern Regional Climate Center
SURVEYS
NGS
- National Geodetic Survey Home Page
NGS
- Data Sheet By State and Designation
NGS
- Data Sheet By Area